What kind of power are you wanting to make? When building mine I did a lot of reading and deciding.
8/06 cam is a drop-in cam, you will loose bottom and gain mid/top, it evens out the power a little more. If I were you I would pair this with a 12:5:1 piston, it will fill the bottom end loss the 8/06 would take. 41mm carb is good. I would get your crank rebuilt and only use OEM bearings With Carrillo rod with a pro-x bearing. HRC needles are discontinued but they are to date the best ones to buy from what I understand. I run a very similar one called a FHM needle I believe. This won’t really sacrifice reliability. I recommend throwing a Baldwin oil cooler on there, too.